Home / 13,991.27-20,986.88-9,595.40

Finding the Fourth Proportional to 13,991.27, 20,986.88 and 9,595.40

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Solution

The fourth proportional to 13,991.27, 20,986.88 and 9,595.40 is: 14,393.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991.27 : 20,986.88 = 9,595.40 : x
  2. Step 2: Convert to fraction form
    13,991.27/20,986.88 = 9,595.40/x
  3. Step 3: Cross multiply
    13,991.27x = 20,986.88 × 9,595.40
  4. Step 4: Simplify right side
    13,991.27x = 201,377,355.44
  5. Step 5: Solve for x
    x = 201,377,355.44/13,991.27
  6. Step 6: Final answer
    x = 14,393.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.